package com.gls.security.server.authorization.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.config.annotation.configurers.ClientDetailsServiceConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configuration.AuthorizationServerConfigurerAdapter;
import org.springframework.security.oauth2.config.annotation.web.configuration.EnableAuthorizationServer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerEndpointsConfigurer;
import org.springframework.security.oauth2.config.annotation.web.configurers.AuthorizationServerSecurityConfigurer;
import org.springframework.security.oauth2.provider.ClientDetailsService;
import org.springframework.security.oauth2.provider.token.AccessTokenConverter;
import org.springframework.security.oauth2.provider.token.TokenStore;

/**
 * @author lizhiyong
 */
@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {

    @Autowired
    private AuthenticationConfiguration authenticationConfiguration;

    @Autowired
    private UserDetailsService userDetailsService;

    @Autowired
    private TokenStore tokenStore;

    @Autowired(required = false)
    private AccessTokenConverter accessTokenConverter;

    @Autowired
    private ClientDetailsService clientDetailsService;

    @Autowired
    private PasswordEncoder passwordEncoder;

    @Override
    public void configure(AuthorizationServerSecurityConfigurer security) {
        security
                .passwordEncoder(passwordEncoder)
                .tokenKeyAccess("permitAll()")
                .checkTokenAccess("isAuthenticated()");
    }

    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.withClientDetails(clientDetailsService);
    }

    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        endpoints
                .userDetailsService(userDetailsService)
                .authenticationManager(authenticationConfiguration.getAuthenticationManager())
                .tokenStore(tokenStore);
        if (accessTokenConverter != null) {
            endpoints.accessTokenConverter(accessTokenConverter);
        }
    }

}
